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3 years ago

Help pleasee don’t know what I’m doing lol

Mathematics

2 answers:

Ksju [112]3 years ago

7 0

Answer:

D. $4\sqrt{3}$ in

Step-by-step explanation:

Hope this helps!

andreyandreev [35.5K]3 years ago

6 0

Ong me too i just need the free membership

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(GIVING BRAINLIEST!!!!!!)

Papessa [141]

1/4 3/4 here you go might be wrong do yeah

6 0

3 years ago

In the library on a university campus, there is a sign in the elevator that indicates a limit of 16 persons. Furthermore, there

yan [13]

Answer:

Explained below.

Step-by-step explanation:

According to the Central Limit Theorem if an unknown population is selected with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from this population with replacement, then the distribution of the sample means will be approximately normally.

Then, the mean of the sample means is given by,

$\mu_{\bar x}=\mu$

And the standard deviation of the sample means is given by,

$\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}$

The expected value of the sample mean of their weights is same as the population mean, <em>μ</em> = 1515 lbs.

The standard deviation of the sampling distribution of the sample mean weight is:

$\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}=\frac{25}{\sqrt{16}}=6.25$

The average weights for a sample of 16 people will result in the total weight exceeding the weight limit of 2500 lbs. is:

$\text{Average Weight}=\frac{2500}{16}=156.25$

Compute the probability that a random sample of 16 persons on the elevator will exceed the weight limit as follows:

$P(\bar X > 156.25)=P(\frac{\bar X-\mu_{\bar x}}{\sigma_{\bar x}}>\frac{156.25-151}{6.25})\\\\=P(Z>0.84)\\\\=1-P(Z$

4 0

3 years ago

Find the GCF and LCM of each number using any of the methods.

vodka [1.7K]

The GCF is the smallest shared prime factor for each term.

The LCM is the smallest whole number that both numbers share as multiples.

For example, take #16.

Factors of 25: 1 , 5, 25

Factors of 75: 1 , 3, 5, 15, 25 ,75

The GCF that is shared would then be 25.

The smallest multiple that both share as multiples:

Multiples of 25: 25, 50, 75, etc.

Multiples of 75: 75, etc.

The LCM that is shared would then be 75.

16) 25 and 75

GCF: 25

LCM: 75

17) 35 and 5

GCF: 5

LCM: 35

18) 27 and 36

GCF: 9

LCM: 108

19) 21 and 56

GCF: 7

LCM: 168

20) 54 and 72

GCF: 18

LCM: 216

8 0

2 years ago

At the beginning of the year, Mr. and Mrs. Smith's portfolio is made up of $200 cash, stocks, with value of $236,000, and bonds

mart [117]

Answer:

4.797% of total return

Step-by-step explanation:

In this case, first, let's gather the data:

Beggining of the year:

200 + 236,000 + 163,000 = 399,200$

End of the year:

200 + 250,000 + 159,000 = 409,200$

This means that between the beggining and the end of the year, Mr Smith only had a gain of 10,000$.

To get the final return, we need to add this gain to the dividens and interest which is:

10,000 + 5,000 + 4,150 = 19,150$

So, the total return would be the percentage between this gaining and the innitial amount:

% = 19,150 / 399,200 * 100

% = 4.797%

And this is the total return.

7 0

3 years ago

Write the quotient in scientific notation and in

san4es73 [151]

Answer:

3.64 × 10(raised to the power 7)

2.6 × 10⁴

7 0

2 years ago